CN112910599B - Cheating interference feedback system based on multi-dimensional analysis - Google Patents
Cheating interference feedback system based on multi-dimensional analysis Download PDFInfo
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Abstract
The invention discloses a cheating interference feedback system based on multi-dimensional analysis, and relates to the technical field of signal interference testing. In the present invention: the system comprises a full-band signal interference device and a communication module signal receiving device which are arranged in an interference shielding scene, wherein a plurality of node-positioned multi-band communication modules are arranged in the interference shielding scene; the first position multi-band communication module and the second position multi-band communication module are independently connected with the communication module signal receiving device through signals. The interference intensity of the full-waveband signal interference device is adjusted in a targeted manner by judging whether the current local border signal interference intensity and the scene overall border signal interference intensity meet the interference requirement or not; under the condition of meeting the signal interference requirement in a scene, the signal interference influence on the scene in an area outside the interference shielding scene is reduced to a certain extent.
Description
Technical Field
The invention belongs to the technical field of signal interference testing, and particularly relates to a cheating interference feedback system based on multi-dimensional analysis.
Background
When the mobile phone works, the mobile phone and the base station are connected through radio waves in a certain frequency range, and data and sound transmission is completed in a certain baud rate and modulation mode. In response to this communication principle, the cellular phone signal masker scans from the low-end frequency to the high-end frequency of the forward channel at a certain speed during operation. The scanning speed can form messy code interference in the message signal received by the mobile phone, and the mobile phone can not detect normal data sent from the base station, so that the mobile phone can not establish connection with the base station. The mobile phone shows the phenomena of network searching, no signal, no service system and the like.
Especially in the examination room, signal interference shielding is an important means for preventing cheating by using mobile phone signals.
In some large examination sites, when signal interference shielding of the whole examination site is performed, the formed interference area and intensity are large, so that signal disorder occurs in places except the examination site area, and normal communication and wireless signal transmission except the examination site are influenced.
Disclosure of Invention
The invention aims to provide a cheating interference feedback system based on multi-dimensional analysis, which judges whether the current local border signal interference intensity and the scene integral border signal interference intensity meet the interference requirement or not, and further aims to adjust the interference intensity of a full-band signal interference device; under the condition of meeting the signal interference requirement in a scene, the signal interference influence on the scene in an area outside the interference shielding scene is reduced to a certain extent.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a cheating interference feedback system based on multi-dimensional analysis, which comprises a full-waveband signal interference device and a communication module signal receiving device, wherein the full-waveband signal interference device and the communication module signal receiving device are arranged in an interference shielding scene, and a plurality of multi-band communication modules with node positions are arranged in the interference shielding scene; setting a plurality of multi-band communication modules in an interference shielding scene as a first position multi-band communication module and a second position multi-band communication module in sequence; the first position multi-band communication module and the second position multi-band communication module are independently connected with the communication module signal receiving device through signals.
(1) A main processing controller is arranged in the communication module signal receiving device; and a main processing controller in the communication module signal receiving device acquires multi-band communication signals transmitted by the first position multi-band communication module and the second position multi-band communication module in real time.
(2) A time unit and a signal trigger unit are arranged in the main processing controller; the main processing control analyzes the times of the signal triggering unit detecting the communication signals of the multi-band communication module within a certain time.
(3) The main processing controller analyzes the interference intensity coefficient and judges whether the installation position of the current full-waveband signal interference device in the interference shielding scene meets the signal shielding interference requirement or not; setting the time for continuously generating signals when the multi-band communication module at any position is electrified as Tx, and setting the frequency of the signals sent by the multi-band communication module received by the communication module signal receiving device at the Tx time period as Cx; setting the signal interference intensity coefficient generated by the position multi-band communication module as lambda x; the normal value of the signal interference intensity coefficient generated by the full-waveband signal interference device is lambdac;
exist of
Exist of
(4) Presetting maximum signal interference intensity coefficient value lambda of single-position multi-band communication module in main processing controller m When λ x is ≧ λ m And judging that the interference intensity of the full-band signal interference device to the multi-band communication module at the current position is insufficient.
(5) Presetting maximum signal interference strength coefficient value lambda of global position multi-frequency band communication module in main processing controller n When λ c ≧ λ n And judging that the interference intensity of the full-band signal interference device on the multi-band communication module in the current whole interference shielding scene is insufficient.
As a preferred technical scheme of the invention, a position coding module is arranged in the communication module signal receiving device; and a position coding module in the communication module signal receiving device is connected with the first position multi-band communication module and the second position multi-band communication module.
As a preferred technical scheme of the invention, an electric control module is arranged in the communication module signal receiving device; the electronic control module in the communication module signal receiving device is electrically connected with the first position multi-band communication module and the second position multi-band communication module.
As a preferred technical scheme of the invention, a main processing controller in a communication module signal receiving device acquires the position information of the multi-band communication module of which the signal interference strength coefficient value is larger than the maximum signal interference strength coefficient value of the unit multi-band communication module, and a full-band signal interference device improves the interference signal power to the position direction.
As a preferred technical scheme of the invention, a main processing controller in a signal receiving device of a communication module obtains a normal value of a signal interference intensity coefficient generated by a full-waveband signal interference device, and when the normal value of the signal interference intensity coefficient is not lower than a maximum signal interference intensity coefficient value of a multi-band communication module at a global position, the full-waveband signal interference device improves the signal interference power intensity of a corresponding unit until the full-waveband signal interference device meets the interference intensity requirement of the multi-band communication module in the current whole interference shielding scene.
The invention has the following beneficial effects:
the multi-band communication module is arranged at a scene area node needing interference shielding, and the multi-band communication module is subjected to interference test acquisition and analysis to judge whether the current local border signal interference strength and the scene integral border signal interference strength meet the interference requirement or not, so that the interference strength of the full-band signal interference device is adjusted in a targeted manner; under the condition of meeting the signal interference requirement in a scene, the signal interference influence on the scene in an area outside the interference shielding scene is reduced to a certain extent.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an interference feedback system according to the present invention;
FIG. 2 is a logic diagram of an interference feedback system according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-interference shielding scenario; 2-a full-band signal jamming device; 3-a first location multi-band communication module; 4-a second position multi-frequency band communication module; 5-an Nth position multi-frequency band communication module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and 2, the present invention relates to a cheating interference feedback system based on multidimensional analysis.
In the interference feedback system of the present invention:
the system comprises a full-band signal interference device 2 and a communication module signal receiving device which are arranged in an interference shielding scene 1, wherein a plurality of node-positioned multi-band communication modules are arranged in the interference shielding scene 1.
Setting a plurality of multi-band communication modules in an interference shielding scene 1 as a first-position multi-band communication module 3 and a second-position multi-band communication module 4.. An Nth-position multi-band communication module 5 in sequence; a position coding module is arranged in the communication module signal receiving device; and a position coding module in the communication module signal receiving device is connected with the first position multi-band communication module 3 and the second position multi-band communication module 4.
The first position multi-band communication module 3 and the second position multi-band communication module 4. The Nth position multi-band communication module 5 is independently connected with the signal receiving device of the communication module through signals; an electric control module is arranged in the communication module signal receiving device; an electric control module in the communication module signal receiving device is electrically connected with the first position multi-band communication module 3 and the second position multi-band communication module 4.
(1) A main processing controller is arranged in the communication module signal receiving device; a main processing controller in the communication module signal receiving device acquires multi-band communication signals transmitted by the first position multi-band communication module 3 and the second position multi-band communication module 4.
(2) A time unit and a signal trigger unit are arranged in the main processing controller; the main processing control analyzes the times of the signal triggering unit detecting the communication signals of the multi-band communication module within a certain time.
(3) The main processing controller analyzes the interference intensity coefficient and judges whether the installation position of the current full-waveband signal interference device 2 in the interference shielding scene 1 meets the signal shielding interference requirement or not;
setting the time for continuously generating signals by electrifying the multi-band communication module at any position as Tx, and setting the frequency of receiving the signals sent by the multi-band communication module at the position by a communication module signal receiving device in a Tx time period as Cx; setting the signal interference intensity coefficient generated by the position multi-band communication module as lambda x; the normal value of the signal interference intensity coefficient generated by the full-waveband signal interference device 2 is lambdac;
exist of
Exist of
(4) Presetting maximum signal interference strength coefficient value lambda of single-position multi-frequency band communication module in main processing controller m When λ x is ≧ λ m And judging that the interference intensity of the full-band signal interference device 2 to the multi-band communication module at the current position is insufficient.
The main processing controller in the communication module signal receiving device obtains the multi-band communication module position information of which the signal interference intensity coefficient value is larger than the maximum signal interference intensity coefficient value of the unit multi-band communication module, and the full-band signal interference device 2 improves the interference signal power to the position direction.
(5) Presetting maximum signal interference strength coefficient value lambda of global position multi-frequency band communication module in main processing controller n When λ c ≧ λ n And judging that the interference intensity of the full-band signal interference device 2 on the multi-band communication module in the current whole interference shielding scene is insufficient.
The main processing controller in the communication module signal receiving device obtains a normal value of a signal interference intensity coefficient generated by the full-waveband signal interference device 2, and when the normal value of the signal interference intensity coefficient is not lower than a maximum signal interference intensity coefficient value of the multi-waveband communication module at the global position, the full-waveband signal interference device 2 improves the signal interference power intensity of a corresponding unit until the interference intensity of the full-waveband signal interference device 2 on the multi-waveband communication module in the current whole interference shielding scene 1 meets the requirement.
In the description herein, references to the terms "embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a cheat interference feedback system based on multidimension degree analysis, is including installing full wave band signal jamming unit (2) and the communication module signal receiver in interference shielding scene (1), its characterized in that:
a plurality of multi-band communication modules with nodes positioned are arranged in the interference shielding scene (1);
setting a plurality of multi-band communication modules in an interference shielding scene (1) as a first position multi-band communication module (3) and a second position multi-band communication module (4.) in turn;
the first position multi-band communication module (3) and the second position multi-band communication module (4). The Nth position multi-band communication module (5) is independently connected with the signal receiving device of the communication module through signals;
(1) a main processing controller is arranged in the communication module signal receiving device;
a main processing controller in the communication module signal receiving device acquires a multi-band communication signal transmitted by a first position multi-band communication module (3) and a second position multi-band communication module (4.) in real time, wherein the N position multi-band communication module (5);
(2) a time unit and a signal trigger unit are arranged in the main processing controller;
the main processing controller analyzes the times of detecting the communication signals of the multi-band communication module by the signal triggering unit within a certain time;
(3) the main processing controller analyzes the interference intensity coefficient and judges whether the installation position of the current full-waveband signal interference device (2) in the interference shielding scene (1) meets the signal shielding interference requirement or not;
setting the time for continuously generating signals when the multi-band communication module at any position is electrified as Tx, and setting the frequency of the signals sent by the multi-band communication module received by the communication module signal receiving device at the Tx time period as Cx;
setting the signal interference intensity coefficient generated by the position multi-band communication module as lambda x;
exist of
The normal value of the signal interference intensity coefficient generated by the full-wave-band signal interference device (2) is lambda c;
exist of
(4) Presetting maximum signal interference strength coefficient value lambda of single-position multi-frequency band communication module in main processing controller m When λ x is ≧ λ m Judging that the interference intensity of the full-waveband signal interference device (2) on the multi-band communication module at the current position is insufficient;
(5) presetting maximum signal interference intensity coefficient value lambda of global position multi-band communication module in main processing controller n When λ c ≧ λ n And judging that the interference intensity of the full-band signal interference device (2) on the multi-band communication module in the current whole interference shielding scene is insufficient.
2. The cheating interference feedback system based on multidimensional analysis as claimed in claim 1, wherein:
a position coding module is arranged in the communication module signal receiving device;
the position coding module in the communication module signal receiving device is connected with the first position multi-band communication module (3) and the second position multi-band communication module (4.) the Nth position multi-band communication module (5) through position coding signals.
3. The cheating interference feedback system based on multidimensional analysis as claimed in claim 1, wherein:
an electric control module is arranged in the communication module signal receiving device;
an electric control module in the communication module signal receiving device is electrically connected with the first position multi-band communication module (3) and the second position multi-band communication module (4) through wires.
4. The cheating interference feedback system based on multidimensional analysis as claimed in claim 1, wherein:
the main processing controller in the communication module signal receiving device acquires the multi-band communication module position information of which the signal interference strength coefficient value is larger than the maximum signal interference strength coefficient value of the unit multi-band communication module, and the full-band signal interference device (2) improves the interference signal power to the position direction.
5. The cheating interference feedback system based on multidimensional analysis as claimed in claim 1, wherein:
the main processing controller in the communication module signal receiving device obtains a signal interference intensity coefficient normal value generated by the full-band signal interference device (2), when the signal interference intensity coefficient normal value is not lower than the maximum signal interference intensity coefficient value of the multi-band communication module at the global position, the full-band signal interference device (2) improves the signal interference power intensity of a corresponding unit until the full-band signal interference device (2) meets the interference intensity of the multi-band communication module in the current whole interference shielding scene (1).
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| US8862081B2 (en) * | 2007-01-19 | 2014-10-14 | Wi-Lan, Inc. | Transceiver with receive path performance diversity and combiner with jammer detect feedback |
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| WO2020024602A1 (en) * | 2018-07-26 | 2020-02-06 | 浙江三维通信科技有限公司 | Gsm mobile phone signal blocking method and system |
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